Phase Shifters for the FLASH2 FEL

Tischer, Markus; Neumann, Paul; Schoeps, Andreas; Vagin, Pavel

doi:10.18429/JACoW-IPAC2014-WEPRO032

Contribution to a conference proceedings/Contribution to a book

PUBDB-2015-00048

Phase Shifters for the FLASH2 FEL

Tischer, M. (Corresponding Author)DESY* ; Neumann, P.DESY* ; Schoeps, A.DESY* ; Vagin, P.DESY*

2014
JACoW, Geneva, Switzerland Geneva
ISBN: 978-3-95450-132-8

Proceedings of the 5th Int. Particle Accelerator Conf., IPAC2014, Dresden, Germany
International Particle Accelerator Conference IPAC, IPAC 2014, Dresden, Germany, 15 Jun 2014 - 20 Jun 2014 Geneva : JACoW, Geneva, Switzerland 2010-2012 (2014) [10.18429/JACoW-IPAC2014-WEPRO032]

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Please use a persistent id in citations: doi:10.18429/JACoW-IPAC2014-WEPRO032 doi:10.3204/PUBDB-2015-00048

Abstract: The FLASH2 SASE undulator section consists of 12 IDs. Each of them is followed by an intersection component comprising a phase shifter and various parts for diagnostics and beam steering. The phase shifter is a compact and simple electromagnetic chicane and has to assure constructive interference of the radiation of adjacent undulators for all wavelengths. The magnetic performance, field errors and the hysteresis behavior have been investigated and were found to be within the required accuracy. The results are discussed in relation to the undulator conditions. From these data tables for steering the phase shifter current as function of undulator gap were derived and implemented in the control system.

Keyword(s): Accelerator Physics ; 02 Synchrotron Light Sources and FELs ; T15 Undulators and Wigglers

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